With reference to the Forest Conservation Act, 1980, consider the following statements:

1. As per the Act, Permission of the Central Government is necessary to practice sustainable agro-forestry in forest areas.

2. The conservation of protected forests is enforced through rules and criminal prosecutions.

3. It empowered the state governments to allow the use of forestland for non-forest purposes on its own.

How many of the statements given above are correct?